The integration of product recovery into regular production processes enables new opportunities for cost savings. It also yields new challenges for inventory management because there are two sources to satisfy product requirements which need to be coordinated by additionally taking into account...

We consider an insurance company whose risk reserve is given by a Brownian motion with drift and which is able to invest the money into a Black–Scholes financial market. As optimization criteria, we treat mean-variance problems, problems with other risk measures, exponential utility and the...

The paper studies a major human activity - that of watching TV - where many individuals have incomplete control over, and foresight into, their own behavior. As a consequence, they watch more TV than they consider optimal for themselves and their well-being is lower than what could be achieved....